Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.369171E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T02:59:43+0800
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    1 Object 1

    AOE ID 55479
    NORAD ID 55479
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59465
    NORAD ID 59465
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5688 STARLINK-31621
    Time of Closest Approach 2026-11-01T13:04:40+0000
    Collision Probability (Pc) 8.369171E-7
    Conjunction Distance (km) 2.953 km
    Relative Speed (km/s) 6.194 km/s
    Conjunction Risk Parameters R (Radial): 0.17 | I (In-track): 2.692 | C (Cross-track): 1.201
    Collision Risk Index (CRI) 0.33
    X Position (km) -5395.88 -5395.475
    Position Y (km) -996.757 -999.68
    Position Z (km) 4110.806 4110.911
    Velocity X (km/s) -0.562 3.097
    Velocity Y (km/s) -7.192 -6.516
    Velocity Z (km/s) -2.475 2.476

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5688 STARLINK-31621
    Semimajor Axis (a) 6861.221 km 6861.069 km
    Eccentricity (e) 0.000204 0.000259
    Inclination (i) 43.0038° 43.0036°
    RAAN 78.8146° 154.4235°
    Perigee Argument 273.4693° 276.5930°
    Mean Anomaly (M) 133.9191° 83.4626°
    Apogee 484.487 km 484.709 km
    Perigee 481.681 km 481.155 km
    Orbit Epoch 2026-10-29T22:00:02+0000 2026-10-29T11:03:16+0000

    STARLINK-5688 & STARLINK-31621 Collision Probability (Pc) Trend

    STARLINK-5688 & STARLINK-31621 Collision Probability (Pc) TrendNot Available

    STARLINK-5688 & STARLINK-31621 Miss Distance (Miss Distance) Trend

    STARLINK-5688 & STARLINK-31621 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5688Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31621Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5688Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31621Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5688

    No nearby objects data